Support accessory machining clamp

The utility model discloses a support accessory machining clamp which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a guide rail, the outer surface of the guide rail is slidably connected with a moving table through a first sliding groove, the rear surface of the guide rail is fixedly connected with a fixing plate, and the rear surface of the fixing plate is fixedly connected with a motor. A first positive and negative tooth lead screw is arranged on the front surface of the motor, and a fixing frame is fixedly connected to the upper surface of the moving table. By means of the structure, the device is provided with the multiple sets of multi-direction fixing mechanisms, the center of an accessory is fixed through the opposite transverse threaded extrusion rods, so that vertical machining is facilitated, the machined part is horizontally fixed to the moving table through the vertical threaded extrusion rods, the upper surface is machined, and machining efficiency is